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Finding the Fourth Proportional to 29,684.42, 44,519.64 and 8,618.90

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Solution

The fourth proportional to 29,684.42, 44,519.64 and 8,618.90 is: 12,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,684.42 : 44,519.64 = 8,618.90 : x
  2. Step 2: Convert to fraction form
    29,684.42/44,519.64 = 8,618.90/x
  3. Step 3: Cross multiply
    29,684.42x = 44,519.64 × 8,618.90
  4. Step 4: Simplify right side
    29,684.42x = 383,710,325.20
  5. Step 5: Solve for x
    x = 383,710,325.20/29,684.42
  6. Step 6: Final answer
    x = 12,926.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.